About: http://webisa.webdatacommons.org/60144886

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	A.Whereas guitars, violins, and other acoustic instruments have to be tuned before playing, the C-30 uses a digital sound source that provides perfect and consistent pitch.
http://www.w3.org/ns/prov#wasQuotedFrom	roland.com